Home / 19,230.60-28,848.90-6,081.72

Finding the Fourth Proportional to 19,230.60, 28,848.90 and 6,081.72

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Solution

The fourth proportional to 19,230.60, 28,848.90 and 6,081.72 is: 9,123.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.60 : 28,848.90 = 6,081.72 : x
  2. Step 2: Convert to fraction form
    19,230.60/28,848.90 = 6,081.72/x
  3. Step 3: Cross multiply
    19,230.60x = 28,848.90 × 6,081.72
  4. Step 4: Simplify right side
    19,230.60x = 175,450,932.11
  5. Step 5: Solve for x
    x = 175,450,932.11/19,230.60
  6. Step 6: Final answer
    x = 9,123.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.